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safety valve

A safety valve and piston technology, applied in the field of safety valves, can solve problems such as difficult quality management and rising unit prices, and achieve the effect of a simple flow path structure

Active Publication Date: 2022-08-09
股份公司摩拓乐
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] There is a problem that the unit price of the valve itself increases due to the addition of such parts and the precision machining to form the flow path of the safety valve.
In addition, there are difficulties in the quality control of the addition of parts and the flow path that has been precisely processed.

Method used

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Embodiment Construction

[0020] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so as to be easily implemented by those skilled in the art to which the present invention pertains. The present invention may be implemented in many different ways and is not limited to the embodiments described herein.

[0021] It should be noted that the drawings are schematic and not drawn to scale. For the clarity and convenience of the drawings, the relative sizes and proportions of the parts shown in the drawings are exaggerated or reduced in size and illustrated, and any sizes are only exemplary rather than limiting. Additionally, for the same structures, elements or components that appear in more than two figures, the same reference signs are used to represent similar features.

[0022] The embodiments of the present invention are specific illustrations of idealized embodiments of the present invention. As a result, various deformations of th...

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Abstract

The present invention relates to a safety valve which pressurizes an elastic member based on the pressure of oil inside a casing to adjust the release pressure, the safety valve comprising: a plunger elastically supported by the elastic member and directed to the elastic member A main plunger flow path is formed inside the casing so that the oil flowing in it can move; a regulating plug has a hollow inside and is provided on one side of the casing; and a piston is arranged as an inner peripheral surface A region of the outer circumferential surface facing the outer peripheral surface of the plunger divides the inside of the regulating plug into a first chamber and a second chamber, and is moved by the pressure of oil or the elastic member.

Description

technical field [0001] The present invention relates to a safety valve, and more particularly, to a safety valve that pressurizes an elastic member based on oil pressure inside a casing to adjust the release pressure. Background technique [0002] In general, the safety valve performs the role of selectively communicating the flow path based on the set pressure. The relief valve pressurizes a spring through a flow path formed inside by the pressure of the oil flowing into the inflow port, and communicates the inflow port and the outflow port based on the set pressure so that the flow path connected to the relief valve communicates. [0003] Such a safety valve may be installed in a device driven by hydraulic pressure and controlled so as to prevent the pressure in the hydraulic circuit from rising above a set pressure. [0004] The conventional safety valve has a problem that the inside thereof is formed to have a complicated flow path. In this case, the precision of the p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K17/04
CPCF16K17/04F15B13/024F15B2211/522
Inventor 吴承焕黄景园
Owner 股份公司摩拓乐